InnoDB:榪欑綾誨瀷鏄簨鍔″畨鍏ㄧ殑.瀹冧笌BDB綾誨瀷鍏鋒湁鐩稿悓鐨勭壒鎬?瀹冧滑榪樻敮鎸佸閿?InnoDB琛ㄦ牸閫熷害寰堝揩.鍏鋒湁姣擝DB榪樹赴瀵岀殑鐗規?鍥犳濡傛灉闇瑕佷竴涓簨鍔″畨鍏ㄧ殑瀛樺偍寮曟搸,寤鴻浣跨敤瀹?濡傛灉浣犵殑鏁版嵁鎵ц澶ч噺鐨?a onclick="return alinks_click(this);" title="MYSQL insert璇硶" rel="external">INSERT鎴?a onclick="return alinks_click(this);" title="mysql update璇硶" rel="external">UPDATE,鍑轟簬鎬ц兘鏂歸潰鐨勮冭檻錛屽簲璇ヤ嬌鐢↖nnoDB琛?
瀵逛簬鏀寔浜嬬墿鐨処nnoDB綾誨瀷鐨勬爣錛屽獎鍝嶉熷害鐨勪富瑕佸師鍥犳槸AUTOCOMMIT榛樿璁劇疆鏄墦寮鐨勶紝鑰屼笖紼嬪簭娌℃湁鏄懼紡璋冪敤BEGIN 寮濮嬩簨鍔★紝瀵艱嚧姣忔彃鍏ヤ竴鏉￠兘鑷姩Commit錛屼弗閲嶅獎鍝嶄簡閫熷害銆傚彲浠ュ湪鎵цsql鍓嶈皟鐢╞egin錛屽鏉ql褰㈡垚涓涓簨鐗╋紙鍗充嬌autocommit鎵? 寮涔熷彲浠ワ級錛屽皢澶уぇ鎻愰珮鎬ц兘銆?/p>
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1. 4.0浠ヤ笂mysqld閮芥敮鎸佷簨鍔★紝鍖呮嫭闈瀖ax鐗堟湰銆?.23鐨勯渶瑕乵ax鐗堟湰mysqld鎵嶈兘鏀寔浜嬪姟銆?/p>
2. 鍒涘緩琛ㄦ椂濡傛灉涓嶆寚瀹歵ype鍒欓粯璁や負myisam錛屼笉鏀寔浜嬪姟銆?br> 鍙互鐢?show create table tablename 鍛戒護鐪嬭〃鐨勭被鍨嬨?/p>
2.1 瀵逛笉鏀寔浜嬪姟鐨勮〃鍋歴tart/commit鎿嶄綔娌℃湁浠諱綍鏁堟灉錛屽湪鎵цcommit鍓嶅凡緇忔彁浜わ紝嫻嬭瘯錛?br>
鎵ц涓涓猰syql錛?br>
use test;
drop table if exists tn;
create table tn (a varchar(10)) type=myisam;
drop table if exists ty;
create table ty (a varchar(10)) type=innodb;
begin;
insert into tn values('a');
insert into ty values('a');
select * from tn;
select * from ty;
閮借兘鐪嬪埌涓鏉¤褰?/p>
鎵ц鍙︿竴涓猰ysql錛?br>
use test;
select * from tn;
select * from ty;
鍙湁tn鑳界湅鍒頒竴鏉¤褰?br>
鐒跺悗鍦ㄥ彟涓杈?br>
commit;
鎵嶉兘鑳界湅鍒拌褰曘?/p>
3. 鍙互鎵ц浠ヤ笅鍛戒護鏉ュ垏鎹㈤潪浜嬪姟琛ㄥ埌浜嬪姟錛堟暟鎹笉浼氫涪澶憋級錛宨nnodb琛ㄦ瘮myisam琛ㄦ洿瀹夊叏錛?br> alter table tablename type=innodb;
3.1 innodb琛ㄤ笉鑳界敤repair table鍛戒護鍜宮yisamchk -r table_name
浣嗗彲浠ョ敤check table錛屼互鍙妋ysqlcheck [OPTIONS] database [tables]
4. 鍚姩mysql鏁版嵁搴撶殑鍛戒護琛屼腑娣誨姞浜嗕互涓嬪弬鏁板彲浠ヤ嬌鏂板彂甯冪殑mysql鏁版嵁琛ㄩ兘榛樿涓轟嬌鐢ㄤ簨鍔★紙
鍙獎鍝嶅埌create璇彞銆傦級
--default-table-type=InnoDB
嫻嬭瘯鍛戒護錛?br>
use test;
drop table if exists tn;
create table tn (a varchar(10));
show create table tn;
5. 涓存椂鏀瑰彉榛樿琛ㄧ被鍨嬪彲浠ョ敤錛?br>
set table_type=InnoDB;
show variables like 'table_type';
鎴栵細
c:\mysql\bin\mysqld-max-nt --standalone --default-table-type=InnoDB
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